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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: Opportunistic GC
Date: Mon, 08 Mar 2021 18:27:42 +0200
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 (message from Pip Cet on Mon, 8 Mar 2021 15:39:07 +0000)
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> From: Pip Cet <pipcet@gmail.com>
> Date: Mon, 8 Mar 2021 15:39:07 +0000
> Cc: rudalics@gmx.at, Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
> 
> > Also, doesn't it mean you increase the memory required for a cons by a
> > factor of 1.5, as it now needs one more member (3 words instead of 2)?
> 
> There'd be one pointer per cons block, not one per cons, so the factor
> is 1.008 on this machine.

And how do you make sure the mark bits will be on a different/separate
page?